SARAH CATHERINE GREENE MD
NPI 1407340466
Anesthesiology in Chicago, IL
About Sarah Catherine Greene Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH CATHERINE GREENE MD (NPI 1407340466) is an individual anesthesiology provider in Chicago, Illinois, licensed in Illinois (036-156102) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains a secondary practice location in Park Ridge.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sarah Catherine Greene Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Sarah Greene reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 clinicians in this Medicare group
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- Also billed through NPI 1629441027 (Illinois)
- 4,870 clinicians in this Medicare group
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 385 clinicians in this Medicare group
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 96 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILAdvocate Lutheran General Hospital
Acute Care Hospitals · Park Ridge, ILMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60637
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sarah Greene's NPI number?
The NPI number for Sarah Greene is 1407340466. It was assigned to this individual provider in the NPPES registry on June 21, 2018.
Where is Sarah Greene located?
Sarah Greene practices at 5841 S Maryland Ave # Mc4028, Chicago, IL 60637. The listed phone number is (773) 702-6842.
What is Sarah Greene's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sarah Greene enrolled in Medicare?
Yes. Sarah Greene is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sarah Greene's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Greene reassigns Medicare benefits to 8 organizations: The University Of Chicago Medical Center (Chicago, IL), University Of Chicago (Chicago, IL), Advocate Health & Hospitals Corporation (Oak Lawn, IL), Midwest Anesthesia Partners, LLC (Chicago, IL), Critical Care Physicians Of Illinois LLC (Aurora, IL) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah Greene's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sarah Greene affiliated with any hospitals?
According to CMS data, Sarah Greene is affiliated with The University Of Chicago Medical Center and Advocate Lutheran General Hospital.
When was this NPI record last updated?
The NPPES record for Sarah Greene was last updated on February 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sarah Catherine Greene, MD · NPI 1407340466
Anesthesiology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since June 21, 2018.
## Identity
- **NPI:** 1407340466 (Entity type: Individual)
- **Enumerated:** June 21, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 036-156102 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5841 S MARYLAND AVE # MC4028, Chicago, IL 60637
- **Phone:** (773) 702-6842 · **Fax:** (773) 834-0063
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL); Advocate Health & Hospitals Corporation (NPI 1912936014, Oak Lawn, IL); Midwest Anesthesia Partners, LLC (NPI 1255380184, Chicago, IL); Critical Care Physicians Of Illinois LLC (NPI 1508134966, Aurora, IL); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oakland Univ, William Beaumont School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** February 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1407340466) · Data from the CMS NPPES public registry.